Leanne had an affair with her ex husband Nick Tilsley, while engaged to Peter Barlow. Leanne was torn between an exciting life with Nick and a settled existence with Peter and Simon.
However, when Peter was badly injured during the tram crash, Leanne made her decision. She married Peter as he lay in his hospital bed, unsure if he would survive.
Following their ceremony, Peter vowed to walk Leanne down the aisle at a wedding blessing on Valentine's Day but later found out about her affair from Tracy. As she joined Peter at the altar on the day of the blessing, Peter presented her with divorce papers and informed the whole congregation of what she'd been up to!
Unable to win Peter round, a devastated Leanne got ready to flee, but Peter had a change of heart and took her back. Leanne and Peter then settled into family life with little Simon in the flat above the bookies.
But after Frank raped Carla, Leanne became suspicious about how close Peter and Carla had become. As tensions heightened she accused Peter of having an affair. Then as Frank's trial proceeded, Leanne found herself caught in Frank and Anne Foster's manipulation, when they gave her proof of Peter and Carla's affair. What will Leanne and Peter do now?
Follow the twists and turns of their storyline in pictures and videos below